Gregory P. Ennis wrote:
>
> On Wed, 2008-05-07 at 12:00 -0500, Gregory P. Ennis wrote:
> > Everyone,
> >
> > I have a new installation of Centos 5.1 that I am using on a gateway
> > server that also has dhcp, named servers. I also have cups set up to
> > function as a print server, and sendmail is being used as a relay to our
> > mail server. yum-cron appears to be updating everything daily as
> > desired.
> >
> > This Centos 5.1 gateway was created to replace a Fedora Core 5 system
> > with the same functions. When I set up cups I copied the FC5
> > subdirectory into the Centos 5.1 system. Everything appears to work as
> > expected.
> >
> > For some reason I am having sendmail crator without giving me a notice
> > in the logs as far as I can determine. However, when I looked at the
> > messages logs I found it filled with many entries in the form of :
> >
> > kernel: ipp[24519]: segfault at 0000000000000000 rip 00002aaaabf2abc0
> > rsp 00007fff25495348 error 4
> >
> > I've done a google search and there appeared to be a problem with
> > doubled printer entries in the printer.conf causing the log entry, but
> > after checking my printer.conf file everything appears to be ok. This
> > file also worked on FC5 without a problem.
> >
> > I am not sure if the cups problem is related to the sendmail problem.
> >
> > Any ideas?
> >
> > Greg Ennis
> >
>
> I have tried several things in the past 48 hours to try to understand
> what is happening. The only thing I have done that seems to
> have made a
> difference is that I have switched 2.6.18-53.1.14.el5xen to
> 2.6.18-53.1.14.el5.
>
> I am still getting the following log entries :
>
> May 8 08:23:14 DeGw kernel: ipp[11677]: segfault at 0000000000000000
> rip 00002aaaabf2abc0 rsp 00007fff7b7ff6b8 error 4
> May 8 08:28:26 DeGw kernel: ipp[12925]: segfault at 0000000000000000
> rip 00002aaaabf2abc0 rsp 00007fffa5ab6988 error 4
>
> However I have only received 7 of these since last night instead of
> hundreds while running xen.
>
> When I booted the system last night with 2.6.18-53.1.14.el5 I received
> some additional "messages" log entries :
>
> May 8 01:50:00 DeGw kernel: irq 193: nobody cared (try booting with the "irqpoll" option)
> May 8 01:50:00 DeGw kernel:
> May 8 01:50:00 DeGw kernel: Call Trace:
> May 8 01:50:00 DeGw kernel: <IRQ> [<ffffffff800b703a>]__report_bad_irq+0x30/0x7d
> May 8 01:50:00 DeGw kernel: [<ffffffff800b726d>] note_interrupt+0x1e6/0x227
> May 8 01:50:00 DeGw kernel: [<ffffffff800b677f>] __do_IRQ+0xc7/0x105
> May 8 01:50:00 DeGw kernel: [<ffffffff80011cc5>] __do_softirq+0x5e/0xd5
> May 8 01:50:00 DeGw kernel: [<ffffffff8006b3bd>] do_IRQ+0xe7/0xf5
> May 8 01:50:00 DeGw kernel: [<ffffffff80069d0e>] default_idle+0x0/0x50
> May 8 01:50:00 DeGw kernel: [<ffffffff8005c615>] ret_from_intr+0x0/0xa
> May 8 01:50:00 DeGw kernel: <EOI> [<ffffffff80069d37>] default_idle+0x29/0x50
> May 8 01:50:00 DeGw kernel: [<ffffffff80046fb1>] cpu_idle+0x95/0xb8
> May 8 01:50:00 DeGw kernel: [<ffffffff803d3806>] start_kernel+0x220/0x225
> May 8 01:50:00 DeGw kernel: [<ffffffff803d3237>] _sinittext+0x237/0x23e
> May 8 01:50:00 DeGw kernel:
> May 8 01:50:00 DeGw kernel: handlers:
> May 8 01:50:00 DeGw kernel: [<ffffffff801dc154>] (usb_hcd_irq+0x0/0x55)
> May 8 01:50:00 DeGw kernel: Disabling IRQ #193
>
> If any of you can help me get a start on this problem I would sure
> appreciate your help.
It appears to be a flakey USB controller. Is the printer USB?
Is it plugged into a USB hub? Check your USB cables, hubs and
try to plug it into a different port.
-Ross
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